35 static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB)  in cifs_ssetup_hdr()  argument
48 	pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);  in cifs_ssetup_hdr()
59 	if (ses->server->sign)  in cifs_ssetup_hdr()
62 	if (ses->capabilities & CAP_UNICODE) {  in cifs_ssetup_hdr()
66 	if (ses->capabilities & CAP_STATUS32) {  in cifs_ssetup_hdr()
70 	if (ses->capabilities & CAP_DFS) {  in cifs_ssetup_hdr()
74 	if (ses->capabilities & CAP_UNIX)  in cifs_ssetup_hdr()
103 static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses,  in unicode_domain_string()  argument
110 	if (ses->domainName == NULL) {  in unicode_domain_string()
117 		bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName,  in unicode_domain_string()
126 static void unicode_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,  in unicode_ssetup_strings()  argument
141 	if (ses->user_name == NULL) {  in unicode_ssetup_strings()
146 		bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->user_name,  in unicode_ssetup_strings()
152 	unicode_domain_string(&bcc_ptr, ses, nls_cp);  in unicode_ssetup_strings()
158 static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,  in ascii_ssetup_strings()  argument
166 	if (ses->user_name != NULL) {  in ascii_ssetup_strings()
167 		strncpy(bcc_ptr, ses->user_name, CIFS_MAX_USERNAME_LEN);  in ascii_ssetup_strings()
168 		bcc_ptr += strnlen(ses->user_name, CIFS_MAX_USERNAME_LEN);  in ascii_ssetup_strings()
175 	if (ses->domainName != NULL) {  in ascii_ssetup_strings()
176 		strncpy(bcc_ptr, ses->domainName, CIFS_MAX_DOMAINNAME_LEN);  in ascii_ssetup_strings()
177 		bcc_ptr += strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN);  in ascii_ssetup_strings()
197 decode_unicode_ssetup(char **pbcc_area, int bleft, struct cifs_ses *ses,  in decode_unicode_ssetup()  argument
205 	kfree(ses->serverOS);  in decode_unicode_ssetup()
206 	ses->serverOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);  in decode_unicode_ssetup()
207 	cifs_dbg(FYI, "serverOS=%s\n", ses->serverOS);  in decode_unicode_ssetup()
214 	kfree(ses->serverNOS);  in decode_unicode_ssetup()
215 	ses->serverNOS = cifs_strndup_from_utf16(data, bleft, true, nls_cp);  in decode_unicode_ssetup()
216 	cifs_dbg(FYI, "serverNOS=%s\n", ses->serverNOS);  in decode_unicode_ssetup()
223 	kfree(ses->serverDomain);  in decode_unicode_ssetup()
224 	ses->serverDomain = cifs_strndup_from_utf16(data, bleft, true, nls_cp);  in decode_unicode_ssetup()
225 	cifs_dbg(FYI, "serverDomain=%s\n", ses->serverDomain);  in decode_unicode_ssetup()
231 				struct cifs_ses *ses,  in decode_ascii_ssetup()  argument
243 	kfree(ses->serverOS);  in decode_ascii_ssetup()
245 	ses->serverOS = kzalloc(len + 1, GFP_KERNEL);  in decode_ascii_ssetup()
246 	if (ses->serverOS) {  in decode_ascii_ssetup()
247 		strncpy(ses->serverOS, bcc_ptr, len);  in decode_ascii_ssetup()
248 		if (strncmp(ses->serverOS, "OS/2", 4) == 0)  in decode_ascii_ssetup()
259 	kfree(ses->serverNOS);  in decode_ascii_ssetup()
261 	ses->serverNOS = kzalloc(len + 1, GFP_KERNEL);  in decode_ascii_ssetup()
262 	if (ses->serverNOS)  in decode_ascii_ssetup()
263 		strncpy(ses->serverNOS, bcc_ptr, len);  in decode_ascii_ssetup()
281 				    struct cifs_ses *ses)  in decode_ntlmssp_challenge()  argument
304 	memcpy(ses->ntlmssp->cryptkey, pblob->Challenge, CIFS_CRYPTO_KEY_SIZE);  in decode_ntlmssp_challenge()
309 	ses->ntlmssp->server_flags = le32_to_cpu(pblob->NegotiateFlags);  in decode_ntlmssp_challenge()
318 		ses->auth_key.response = kmemdup(bcc_ptr + tioffset, tilen,  in decode_ntlmssp_challenge()
320 		if (!ses->auth_key.response) {  in decode_ntlmssp_challenge()
324 		ses->auth_key.len = tilen;  in decode_ntlmssp_challenge()
335 					 struct cifs_ses *ses)  in build_ntlmssp_negotiate_blob()  argument
348 	if (ses->server->sign) {  in build_ntlmssp_negotiate_blob()
350 		if (!ses->server->session_estab ||  in build_ntlmssp_negotiate_blob()
351 				ses->ntlmssp->sesskey_per_smbsess)  in build_ntlmssp_negotiate_blob()
372 				   struct cifs_ses *ses,  in build_ntlmssp_auth_blob()  argument
387 	if (ses->server->sign) {  in build_ntlmssp_auth_blob()
389 		if (!ses->server->session_estab ||  in build_ntlmssp_auth_blob()
390 				ses->ntlmssp->sesskey_per_smbsess)  in build_ntlmssp_auth_blob()
403 	if (ses->user_name != NULL) {  in build_ntlmssp_auth_blob()
404 		rc = setup_ntlmv2_rsp(ses, nls_cp);  in build_ntlmssp_auth_blob()
409 		memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,  in build_ntlmssp_auth_blob()
410 				ses->auth_key.len - CIFS_SESS_KEY_SIZE);  in build_ntlmssp_auth_blob()
411 		tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;  in build_ntlmssp_auth_blob()
414 				cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);  in build_ntlmssp_auth_blob()
416 				cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);  in build_ntlmssp_auth_blob()
425 	if (ses->domainName == NULL) {  in build_ntlmssp_auth_blob()
432 		len = cifs_strtoUTF16((__le16 *)tmp, ses->domainName,  in build_ntlmssp_auth_blob()
441 	if (ses->user_name == NULL) {  in build_ntlmssp_auth_blob()
448 		len = cifs_strtoUTF16((__le16 *)tmp, ses->user_name,  in build_ntlmssp_auth_blob()
462 	if (((ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_KEY_XCH) ||  in build_ntlmssp_auth_blob()
463 		(ses->ntlmssp->server_flags & NTLMSSP_NEGOTIATE_EXTENDED_SEC))  in build_ntlmssp_auth_blob()
464 			&& !calc_seckey(ses)) {  in build_ntlmssp_auth_blob()
465 		memcpy(tmp, ses->ntlmssp->ciphertext, CIFS_CPHTXT_SIZE);  in build_ntlmssp_auth_blob()
534 	struct cifs_ses *ses;  member
554 	struct cifs_ses *ses = sess_data->ses;  in sess_alloc_buffer()  local
557 	rc = small_smb_init_no_tc(SMB_COM_SESSION_SETUP_ANDX, wct, ses,  in sess_alloc_buffer()
600 	struct cifs_ses *ses = sess_data->ses;  in sess_establish_session()  local
602 	mutex_lock(&ses->server->srv_mutex);  in sess_establish_session()
603 	if (!ses->server->session_estab) {  in sess_establish_session()
604 		if (ses->server->sign) {  in sess_establish_session()
605 			ses->server->session_key.response =  in sess_establish_session()
606 				kmemdup(ses->auth_key.response,  in sess_establish_session()
607 				ses->auth_key.len, GFP_KERNEL);  in sess_establish_session()
608 			if (!ses->server->session_key.response) {  in sess_establish_session()
609 				mutex_unlock(&ses->server->srv_mutex);  in sess_establish_session()
612 			ses->server->session_key.len =  in sess_establish_session()
613 						ses->auth_key.len;  in sess_establish_session()
615 		ses->server->sequence_number = 0x2;  in sess_establish_session()
616 		ses->server->session_estab = true;  in sess_establish_session()
618 	mutex_unlock(&ses->server->srv_mutex);  in sess_establish_session()
622 	ses->status = CifsGood;  in sess_establish_session()
623 	ses->need_reconnect = false;  in sess_establish_session()
641 	rc = SendReceive2(sess_data->xid, sess_data->ses,  in sess_sendreceive()
664 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_lanman()  local
677 	capabilities = cifs_ssetup_hdr(ses, pSMB);  in sess_auth_lanman()
681 	if (ses->user_name != NULL) {  in sess_auth_lanman()
690 		rc = calc_lanman_hash(ses->password, ses->server->cryptkey,  in sess_auth_lanman()
691 				      ses->server->sec_mode & SECMODE_PW_ENCRYPT ?  in sess_auth_lanman()
709 	ascii_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_lanman()
731 	ses->Suid = smb_buf->Uid;   /* UID left in wire format (le) */  in sess_auth_lanman()
732 	cifs_dbg(FYI, "UID = %llu\n", ses->Suid);  in sess_auth_lanman()
746 		decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_lanman()
749 		decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_lanman()
769 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_ntlm()  local
781 	capabilities = cifs_ssetup_hdr(ses, pSMB);  in sess_auth_ntlm()
784 	if (ses->user_name != NULL) {  in sess_auth_ntlm()
791 		rc = setup_ntlm_response(ses, sess_data->nls_cp);  in sess_auth_ntlm()
799 		memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,  in sess_auth_ntlm()
802 		memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,  in sess_auth_ntlm()
810 	if (ses->capabilities & CAP_UNICODE) {  in sess_auth_ntlm()
816 		unicode_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_ntlm()
818 		ascii_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_ntlm()
841 	ses->Suid = smb_buf->Uid;   /* UID left in wire format (le) */  in sess_auth_ntlm()
842 	cifs_dbg(FYI, "UID = %llu\n", ses->Suid);  in sess_auth_ntlm()
856 		decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_ntlm()
859 		decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_ntlm()
868 	kfree(ses->auth_key.response);  in sess_auth_ntlm()
869 	ses->auth_key.response = NULL;  in sess_auth_ntlm()
879 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_ntlmv2()  local
891 	capabilities = cifs_ssetup_hdr(ses, pSMB);  in sess_auth_ntlmv2()
898 	if (ses->user_name != NULL) {  in sess_auth_ntlmv2()
900 		rc = setup_ntlmv2_rsp(ses, sess_data->nls_cp);  in sess_auth_ntlmv2()
906 		memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,  in sess_auth_ntlmv2()
907 				ses->auth_key.len - CIFS_SESS_KEY_SIZE);  in sess_auth_ntlmv2()
908 		bcc_ptr += ses->auth_key.len - CIFS_SESS_KEY_SIZE;  in sess_auth_ntlmv2()
914 			cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);  in sess_auth_ntlmv2()
919 	if (ses->capabilities & CAP_UNICODE) {  in sess_auth_ntlmv2()
924 		unicode_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_ntlmv2()
926 		ascii_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_ntlmv2()
949 	ses->Suid = smb_buf->Uid;   /* UID left in wire format (le) */  in sess_auth_ntlmv2()
950 	cifs_dbg(FYI, "UID = %llu\n", ses->Suid);  in sess_auth_ntlmv2()
964 		decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_ntlmv2()
967 		decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_ntlmv2()
976 	kfree(ses->auth_key.response);  in sess_auth_ntlmv2()
977 	ses->auth_key.response = NULL;  in sess_auth_ntlmv2()
988 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_kerberos()  local
1003 	capabilities = cifs_ssetup_hdr(ses, pSMB);  in sess_auth_kerberos()
1005 	spnego_key = cifs_get_spnego_key(ses);  in sess_auth_kerberos()
1025 	ses->auth_key.response = kmemdup(msg->data, msg->sesskey_len,  in sess_auth_kerberos()
1027 	if (!ses->auth_key.response) {  in sess_auth_kerberos()
1033 	ses->auth_key.len = msg->sesskey_len;  in sess_auth_kerberos()
1042 	if (ses->capabilities & CAP_UNICODE) {  in sess_auth_kerberos()
1050 		unicode_domain_string(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_kerberos()
1053 		ascii_ssetup_strings(&bcc_ptr, ses, sess_data->nls_cp);  in sess_auth_kerberos()
1075 	ses->Suid = smb_buf->Uid;   /* UID left in wire format (le) */  in sess_auth_kerberos()
1076 	cifs_dbg(FYI, "UID = %llu\n", ses->Suid);  in sess_auth_kerberos()
1100 		decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_kerberos()
1103 		decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_kerberos()
1115 	kfree(ses->auth_key.response);  in sess_auth_kerberos()
1116 	ses->auth_key.response = NULL;  in sess_auth_kerberos()
1130 	struct cifs_ses *ses = sess_data->ses;  in _sess_auth_rawntlmssp_assemble_req()  local
1137 	capabilities = cifs_ssetup_hdr(ses, pSMB);  in _sess_auth_rawntlmssp_assemble_req()
1170 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_rawntlmssp_negotiate()  local
1181 	ses->ntlmssp = kmalloc(sizeof(struct ntlmssp_auth), GFP_KERNEL);  in sess_auth_rawntlmssp_negotiate()
1182 	if (!ses->ntlmssp) {  in sess_auth_rawntlmssp_negotiate()
1186 	ses->ntlmssp->sesskey_per_smbsess = false;  in sess_auth_rawntlmssp_negotiate()
1196 	build_ntlmssp_negotiate_blob(pSMB->req.SecurityBlob, ses);  in sess_auth_rawntlmssp_negotiate()
1227 	ses->Suid = smb_buf->Uid;   /* UID left in wire format (le) */  in sess_auth_rawntlmssp_negotiate()
1228 	cifs_dbg(FYI, "UID = %llu\n", ses->Suid);  in sess_auth_rawntlmssp_negotiate()
1241 	rc = decode_ntlmssp_challenge(bcc_ptr, blob_len, ses);  in sess_auth_rawntlmssp_negotiate()
1251 	kfree(ses->auth_key.response);  in sess_auth_rawntlmssp_negotiate()
1252 	ses->auth_key.response = NULL;  in sess_auth_rawntlmssp_negotiate()
1253 	kfree(ses->ntlmssp);  in sess_auth_rawntlmssp_negotiate()
1254 	ses->ntlmssp = NULL;  in sess_auth_rawntlmssp_negotiate()
1266 	struct cifs_ses *ses = sess_data->ses;  in sess_auth_rawntlmssp_authenticate()  local
1295 					&blob_len, ses, sess_data->nls_cp);  in sess_auth_rawntlmssp_authenticate()
1306 	smb_buf->Uid = ses->Suid;  in sess_auth_rawntlmssp_authenticate()
1327 	if (ses->Suid != smb_buf->Uid) {  in sess_auth_rawntlmssp_authenticate()
1328 		ses->Suid = smb_buf->Uid;  in sess_auth_rawntlmssp_authenticate()
1329 		cifs_dbg(FYI, "UID changed! new UID = %llu\n", ses->Suid);  in sess_auth_rawntlmssp_authenticate()
1354 		decode_unicode_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_rawntlmssp_authenticate()
1357 		decode_ascii_ssetup(&bcc_ptr, bytes_remaining, ses,  in sess_auth_rawntlmssp_authenticate()
1370 	kfree(ses->auth_key.response);  in sess_auth_rawntlmssp_authenticate()
1371 	ses->auth_key.response = NULL;  in sess_auth_rawntlmssp_authenticate()
1372 	kfree(ses->ntlmssp);  in sess_auth_rawntlmssp_authenticate()
1373 	ses->ntlmssp = NULL;  in sess_auth_rawntlmssp_authenticate()
1379 static int select_sec(struct cifs_ses *ses, struct sess_data *sess_data)  in select_sec()  argument
1383 	type = select_sectype(ses->server, ses->sectype);  in select_sec()
1430 int CIFS_SessSetup(const unsigned int xid, struct cifs_ses *ses,  in CIFS_SessSetup()  argument
1436 	if (ses == NULL) {  in CIFS_SessSetup()
1445 	rc = select_sec(ses, sess_data);  in CIFS_SessSetup()
1450 	sess_data->ses = ses;  in CIFS_SessSetup()